/Engine/Plugins/Experimental/GameplayBehaviors/Source/GameplayBehaviorsModule/Public/GameplayBehavior.h
typedef TMulticastDelegate_ThreeParams< void, [UGameplayBehavior](API\Plugins\GameplayBehaviorsModule\UGameplayBehavior) &, [AActor](API\Runtime\Engine\GameFramework\AActor) &, const bool > FOnGameplayBehaviorFinished